termux-tools: use @TERMUX_PREFIX@ instead of path in sources

Ensure that scripts always use correct prefix-specific path.

packages/termux-tools/build.sh

@@ -31,10 +31,13 @@ termux_step_make_install() {
 		chmod +x $WRAPPER_FILE
 	done
 
-	cp -p $TERMUX_PKG_BUILDER_DIR/{dalvikvm,su,termux-fix-shebang,termux-reload-settings,termux-setup-storage,chsh,termux-open-url,termux-wake-lock,termux-wake-unlock,login,pkg,termux-open,termux-info} $TERMUX_PREFIX/bin/
+	for script in chsh dalvikvm login pkg su termux-fix-shebang termux-info \
-	perl -p -i -e "s%\@TERMUX_PREFIX\@%${TERMUX_PREFIX}%g" $TERMUX_PREFIX/bin/dalvikvm
+		termux-open termux-open-url termux-reload-settings termux-setup-storage \
+		termux-wake-lock termux-wake-unlock; do
+			install -Dm700 $TERMUX_PKG_BUILDER_DIR/$script $TERMUX_PREFIX/bin/$script
+			perl -p -i -e "s%\@TERMUX_PREFIX\@%${TERMUX_PREFIX}%g" $TERMUX_PREFIX/bin/$script
+	done
 
-	cp $TERMUX_PKG_BUILDER_DIR/motd $TERMUX_PREFIX/etc/motd
+	install -Dm600 $TERMUX_PKG_BUILDER_DIR/motd $TERMUX_PREFIX/etc/motd
-	cd $TERMUX_PREFIX/bin
+	ln -sfr $TERMUX_PREFIX/bin/termux-open $TERMUX_PREFIX/bin/xdg-open
-	ln -s -f termux-open xdg-open
 }

packages/termux-tools/chsh

@@ -13,7 +13,7 @@ set_shell () {
 		exit 1
 	fi
 	mkdir -p $HOME/.termux
-	NEW_SHELL=$PREFIX/bin/$1
+	NEW_SHELL=@TERMUX_PREFIX@/bin/$1
 	if test -x $NEW_SHELL -a ! -d $NEW_SHELL; then
 		ln -f -s $NEW_SHELL $HOME/.termux/shell
 	else
@@ -33,7 +33,7 @@ while true; do
 done
 
 DEFAULT_SHELL=bash
-if [ ! -x $PREFIX/bin/$DEFAULT_SHELL ]; then DEFAULT_SHELL=ash; fi
+if [ ! -x @TERMUX_PREFIX@/bin/$DEFAULT_SHELL ]; then DEFAULT_SHELL=ash; fi
 
 echo Changing the login shell
 echo Enter the new value, or press ENTER for the default

packages/termux-tools/login

@@ -1,7 +1,7 @@
 #!/bin/sh
 
-if [ $# = 0 ] && [ -f $PREFIX/etc/motd ] && [ ! -f ~/.hushlogin ] && [ -z "$TERMUX_HUSHLOGIN" ]; then
+if [ $# = 0 ] && [ -f @TERMUX_PREFIX@/etc/motd ] && [ ! -f ~/.hushlogin ] && [ -z "$TERMUX_HUSHLOGIN" ]; then
-	cat $PREFIX/etc/motd
+	cat @TERMUX_PREFIX@/etc/motd
 else
 	# This variable shouldn't be kept set.
 	unset TERMUX_HUSHLOGIN
@@ -10,7 +10,7 @@ fi
 if [ -G ~/.termux/shell ]; then
 	export SHELL="`realpath ~/.termux/shell`"
 else
-	for file in $PREFIX/bin/bash $PREFIX/bin/sh /system/bin/sh; do
+	for file in @TERMUX_PREFIX@/bin/bash @TERMUX_PREFIX@/bin/sh /system/bin/sh; do
 		if [ -x $file ]; then
 			export SHELL=$file
 			break
@@ -18,8 +18,8 @@ else
 	done
 fi
 
-if [ -f $PREFIX/lib/libtermux-exec.so ]; then
+if [ -f @TERMUX_PREFIX@/lib/libtermux-exec.so ]; then
-	export LD_PRELOAD=$PREFIX/lib/libtermux-exec.so
+	export LD_PRELOAD=@TERMUX_PREFIX@/lib/libtermux-exec.so
 	$SHELL -c "busybox true" > /dev/null 2>&1 || unset LD_PRELOAD
 fi
 

packages/termux-tools/termux-fix-shebang

@@ -3,10 +3,10 @@
 if [ $# = 0 -o "$1" = "-h" ]; then
 	echo 'usage: termux-fix-shebang <files>'
 	echo 'Rewrite shebangs in specified files for running under Termux,'
-	echo 'which is done by rewriting #!*/bin/binary to #!$PREFIX/bin/binary.'
+	echo 'which is done by rewriting #!*/bin/binary to #!@TERMUX_PREFIX@/bin/binary.'
 	exit 1
 fi
 
 for file in "$@"; do
-	sed -i -E "1 s@^#\!(.*)/[sx]?bin/(.*)@#\!/data/data/com.termux/files/usr/bin/\2@" "$(realpath "${file}")"
+	sed -i -E "1 s@^#\!(.*)/[sx]?bin/(.*)@#\!@TERMUX_PREFIX@/bin/\2@" "$(realpath "${file}")"
 done